Suitable for professional trailer applications up to 500kg static nose weight. 48mm serrated outer tube diameter. 245mm height extension range. 100mm handle extension. 200 x 55mm tyre size. 500kg max static load capacity. Rugged and durable construction. Ergonomic blue handle grip. Ultra-smooth winding, heavy duty roller bearings. Premium finish with JS500 coating for 500hr salt spray test rust resistance. High quality rubber tyres on rivetted steel rims. Market leading static load capacities. Grease nipple bearing lubrication inlet. Handle rotation prevented by heavy duty R clip and chain assembly. Maypole branded tyres.